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DIA [1.3K]
4 years ago
7

Which are the following true statements about the expression 6 + (-6)

Mathematics
1 answer:
Rina8888 [55]4 years ago
8 0

Answer: 0

Step-by-step explanation:

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RSM question again, please help soon! I really don't want to wait!
Archy [21]

Answer:

1. 145

2. 21

3. 42

4. 40

5. 90

6. 120

Hope this helped! Please mark me as Brainliest, thanks!

6 0
3 years ago
Read 2 more answers
Due today.. I'm Stuck and need help please). The table shows the test scores and the sleep averages of several students. A) Writ
erma4kov [3.2K]

Answer:

Y = -0.3587+0.09118X

92 %

Step-by-step explanation:

Using technology to fit the data between the variables, test score and hours of sleep; we obtain the linear model :

Ŷ = -0.3587+0.09118X

Where, x = test score ; y = hours of sleep

To obtain the test score of a student who sleep foe 8 hours using the model :

Y = 8

Ŷ = -0.3587+0.09118X

8 = -0.3587+0.09118X

8 + 0.3587 =0.09118X

8.3587 = 0.09118X

X = 8.3587 / 0.09118

X = 91.672515

X = 92 ( approximately)

5 0
3 years ago
Which one of the properties described below DOES NOT apply to the perpendicular bisector of a segment?
Lana71 [14]

Answer:

It must be longer than the original segment.

Step-by-step explanation:

Let analyse all the 4 answers:

  • a. It divides the original segment into two equal pieces.

Yes because It finds the midpoint of the given line segment.

  • b. Every point on the perpendicular bisector is the same distance from both end points of the segment.

Yes, because perpendicular bisector theorem states that if a point is on the perpendicular bisector of a segment, then it is equidistant from the segment's both endpoints.

  • c. It must be longer than the original segment

Wrong, it can be shorter or equal to the  original segment.

  • d. It is perpendicular to (makes a 90 angle with) the original segment

True, because of it is one of the the properties of a perpendicular bisector of a segment

So we choose C.

Hope it will find you well.

7 0
3 years ago
How do I solve this?
marin [14]

Answer:

(x,y) (-3,4)

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
You are heating liquid in a chemistry lab. Four minutes ago, the temperature of the liquid was -4 degrees Celsius. Since then, i
Marina CMI [18]
The rate of temperature rise is 2 degrees/minute.

The relation between temperature and time is of the form
y = 2x + b
where
x = time, minutes,
y = temperature, Celsius

When x = -4 min, y = - 4°C because the temperature was - 4°C 4 minutes ago. Currently, x = 0.
Therefore
-4 = 2(-4) + b
-4 = - 8 + b
4 = b

Part A
The relation is y = 2x + 4

Part B
When x = 15 (15 minutes from now), the temperature will be
y = 2(15) + 4 = 34°C

Answer: 34°C
6 0
4 years ago
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